BUG: unable to handle page fault for address: ffffffffff600000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 6e12067 P4D 6e12067 PUD 6e14067 PMD 6e16067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 65 Comm: jbd2/sda1-8 Not tainted 6.1.75-syzkaller-00017-g51c421385e7a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:copy_from_kernel_nofault+0x86/0x2d0 mm/maccess.c:36 Code: 48 89 55 d0 0f 85 de 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 bb 3a d2 ff 49 83 fd 07 76 58 4d 89 fe 49 83 c7 08 49 83 c5 f8 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc90000937418 EFLAGS: 00010257 RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff88810d516540 RDX: ffff88810d5170e0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90000937450 R08: ffffffff81a33995 R09: ffffed1021aa2ca9 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc900009374a8 R15: ffffc900009374b0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 0000000144a11000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_probe_read_kernel_common kernel/trace/bpf_trace.c:230 [inline] ____bpf_probe_read_compat kernel/trace/bpf_trace.c:294 [inline] bpf_probe_read_compat+0x112/0x180 kernel/trace/bpf_trace.c:287 bpf_prog_49c7f88809d02740+0x42/0x44 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline] bpf_trace_run3+0x177/0x2e0 kernel/trace/bpf_trace.c:2315 __bpf_trace_block_bio_remap+0x2b/0x40 include/trace/events/block.h:479 trace_block_bio_remap include/trace/events/block.h:479 [inline] blk_partition_remap block/blk-core.c:549 [inline] submit_bio_noacct+0x17b7/0x1820 block/blk-core.c:745 submit_bio+0x15d/0x210 block/blk-core.c:836 submit_bh_wbc+0x495/0x4f0 fs/buffer.c:2750 submit_bh+0x1d/0x30 fs/buffer.c:2755 journal_submit_commit_record+0x7b1/0xa80 fs/jbd2/commit.c:160 jbd2_journal_commit_transaction+0x39fe/0x5f20 fs/jbd2/commit.c:916 kjournald2+0x437/0x7a0 fs/jbd2/journal.c:210 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: CR2: ffffffffff600000 ---[ end trace 0000000000000000 ]--- RIP: 0010:copy_from_kernel_nofault+0x86/0x2d0 mm/maccess.c:36 Code: 48 89 55 d0 0f 85 de 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 bb 3a d2 ff 49 83 fd 07 76 58 4d 89 fe 49 83 c7 08 49 83 c5 f8 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc90000937418 EFLAGS: 00010257 RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff88810d516540 RDX: ffff88810d5170e0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90000937450 R08: ffffffff81a33995 R09: ffffed1021aa2ca9 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc900009374a8 R15: ffffc900009374b0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 0000000144a11000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 89 55 d0 mov %rdx,-0x30(%rbp) 4: 0f 85 de 01 00 00 jne 0x1e8 a: ff 02 incl (%rdx) c: bf 07 00 00 00 mov $0x7,%edi 11: 4c 89 ee mov %r13,%rsi 14: e8 bb 3a d2 ff call 0xffd23ad4 19: 49 83 fd 07 cmp $0x7,%r13 1d: 76 58 jbe 0x77 1f: 4d 89 fe mov %r15,%r14 22: 49 83 c7 08 add $0x8,%r15 26: 49 83 c5 f8 add $0xfffffffffffffff8,%r13 * 2a: 49 8b 1c 24 mov (%r12),%rbx <-- trapping instruction 2e: 4c 89 f0 mov %r14,%rax 31: 48 c1 e8 03 shr $0x3,%rax 35: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 3c: fc ff df 3f: 80 .byte 0x80